Here is the code
这是代码
IF EXISTS(SELECT * FROM sys.columns
WHERE Name = 'columnName'
AND OBJECT_ID = OBJECT_ID('tableName') )
BEGIN
PRINT 'Your Column Exists'
END
I want to know how to convert this code that it can check multiple column name existence.
我想知道如何转换这个代码,它可以检查多个列名的存在。
2 个解决方案
#1
-3
How about this?
这个怎么样?
IF EXISTS (SELECT * FROM sys.columns
WHERE OBJECT_ID = OBJECT_ID('tableName')
AND( Name = 'columnName1' OR Name = 'columnName2' OR Name = 'columnName3')
)
BEGIN
PRINT 'Your Columns Exist'
END
#2
8
If you're testing if all the columns are there you could use:
如果你正在测试是否所有列都在那里,你可以使用:
IF 3 = (select count(*) Names
from sys.columns
where OBJECT_ID = OBJECT_ID('tableName')
and Name in ('columnName1', 'columnName2', 'columnName3')
)
BEGIN
PRINT 'Your Columns Exist'
END
#1
-3
How about this?
这个怎么样?
IF EXISTS (SELECT * FROM sys.columns
WHERE OBJECT_ID = OBJECT_ID('tableName')
AND( Name = 'columnName1' OR Name = 'columnName2' OR Name = 'columnName3')
)
BEGIN
PRINT 'Your Columns Exist'
END
#2
8
If you're testing if all the columns are there you could use:
如果你正在测试是否所有列都在那里,你可以使用:
IF 3 = (select count(*) Names
from sys.columns
where OBJECT_ID = OBJECT_ID('tableName')
and Name in ('columnName1', 'columnName2', 'columnName3')
)
BEGIN
PRINT 'Your Columns Exist'
END